Logic quotes
484 quotes on this topic — from poets, philosophers, and thinkers across history.
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Browse quotes that often appear alongside logic — connected by shared ideas and recurring themes.
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"Any explanation or logic that explains everything so easily has a hidden trap in it. I'm speaking from experience. Somebody once said if it's something a single book can explain, it's not worth having explained. What I mean is don't leap to any conclusions."
"Emotions are the curse of logic."
"The example of a syllogism that he had studied in Kiesewetter's logic: Caius is a man, men are mortal, therefore Caius is mortal, had throughout his whole life seemed to him right only in relation to Caius, but not to him at all."
"Man discovers truth by reason only, not by faith."
"It is sad and wrong to be so dependent for the life of my life on any human being as I am on you; but I cannot by any force of logic cure myself at this date, when it has become second nature."
"Jealousy knows no logic, nor does it respect reciprocity."
"Whamming someone smaller than oneself in order to teach that person civilized behavior is not within Miss Manners' concept of propriety, much less logic."
"Life isn't always about logic and reasons—sometimes you just have to close your eyes and jump. Particularly when it comes to relationships."
"Logic is to grammar what the sense of words is to their sound."
"It must be granted that in every syllogism, considered as an argument to prove the conclusion, there is a petitio principii. When we say, All men are mortal Socrates is a man therefore Socrates is mortal; it is unanswerably urged by the adversaries of the syllogistic theory, that the proposition, Socrates is mortal."
"You can't win. Logic has no power over her when her territory has been invaded by heathens."
"If you use a trick in logic, whom can you be tricking other than yourself?"
"It is possible--indeed possible even according to the old conception of logic--to give in advance a description of all 'true' logical propositions. Hence there can never be surprises in logic."
